Patents by Inventor Keith Ratliff

Keith Ratliff has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Climbing panel for playground structure
    Patent number: D418190
    Type: Grant
    Filed: October 29, 1998
    Date of Patent: December 28, 1999
    Assignee: Little Tikes Commercial Play Systems Inc.
    Inventors: Kyle McLane, Keith Ratliff, Mitchell L. Wilgus
  • Climbing apparatus for children
    Patent number: D418571
    Type: Grant
    Filed: October 29, 1998
    Date of Patent: January 4, 2000
    Assignee: Little Tikes Commercial Play Systems Inc.
    Inventors: Kyle McLane, Keith Ratliff
  • Panel for playground structure
    Patent number: D420086
    Type: Grant
    Filed: October 29, 1998
    Date of Patent: February 1, 2000
    Assignee: Little Tikes Commercial Play Systems Inc.
    Inventors: Keith Ratliff, Mitchell L. Wilgus